EP1089583B1 - Dispositif comprenant au moins deux stations de base radio-mobile et procédé de commande correspondant - Google Patents

Dispositif comprenant au moins deux stations de base radio-mobile et procédé de commande correspondant Download PDF

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Publication number
EP1089583B1
EP1089583B1 EP00250328A EP00250328A EP1089583B1 EP 1089583 B1 EP1089583 B1 EP 1089583B1 EP 00250328 A EP00250328 A EP 00250328A EP 00250328 A EP00250328 A EP 00250328A EP 1089583 B1 EP1089583 B1 EP 1089583B1
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EP
European Patent Office
Prior art keywords
radio base
mobile radio
access authorization
base stations
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00250328A
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German (de)
English (en)
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EP1089583A2 (fr
EP1089583A3 (fr
Inventor
Iavor Dr. Antonov
Dirk Koenemann
Uwe Dummann
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Siemens AG
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Siemens AG
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Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1089583A2 publication Critical patent/EP1089583A2/fr
Publication of EP1089583A3 publication Critical patent/EP1089583A3/fr
Application granted granted Critical
Publication of EP1089583B1 publication Critical patent/EP1089583B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/08—Details of telephonic subscriber devices home cordless telephone systems using the DECT standard

Definitions

  • the invention relates to an arrangement with at least two fixed, to a telecommunications network connected mobile radio base stations that are used for voice and / or Data transmission with all those mobile devices - hereinafter called handsets - are ready their access authorization checked and recognized as correct is, each of the mobile radio base stations for checking the Access authorization in each case containing a memory Has control device.
  • cordless Phones consist of two components, namely one Cellular base station connected to a telecommunications network is connected, and one or more mobile End devices - also called handsets - that work with the Mobile radio base station via radio, for example in the DECT standard, communicate.
  • the Cordless phone exclusively cell phone base station communicates with such handsets by the phone owner or from the phone user of the cordless phone are registered and stored in a memory the mobile radio base station the access authorizations of all previously registered handsets are saved.
  • the invention has for its object an arrangement of to further develop the type described in the introduction that in a simple way for everyone with the cell phone base stations related handset a larger overall Transmit / receive area is formed than was previously the case is.
  • This task is described with an arrangement of the above Art solved according to the invention in that the arrangement has a computing device network that is supported by several with each other with data and / or signal lines connected data processing devices is formed, and that the at least two mobile radio base stations each to the Data processing equipment network are connected, wherein the control devices are designed such that they using the data and / or signal lines of the Data processing device network in their respective Access authorization data signals stored in memory the control devices of the other mobile radio base stations make available for evaluation and on Access authorization data signals from the other mobile radio base stations access and the voice and / or Data transmission from your own cell phone base station in each case Allow with each handset, its identifier as an access authorization data signal in your own memory or in at least one of the memories of the other mobile radio base stations is deposited.
  • mobile radio terminal or handset are all types of mobile Terminals understood that with a corresponding transceiver for connection to a cell phone base station are equipped; for example mobile Radio telephones, fax devices or DV devices such as laptops or Notebooks or components for such DV devices as printers, Scanner etc., provided that - as already explained - a corresponding transmitter / receiver device for communication with a cellular base station.
  • the Data processing device network can, for example, by computers connected via Ethernet (PC or workstation) be educated.
  • each cell phone base station for testing the access authorization has a control device which voice and / or data transmission with any handset permits, its identifier as an access authorization data signal in its own memory or in at least one of the memories the other cell phone base stations are stored; the Access to the access authorization data signals of the others Cellular base stations are used using the Data and / or signal lines of the Data processing device network.
  • the advantage of the arrangement according to the invention is that that the exchange of access authorization data for the Roaming or hand-over function is realized without for this an additional, the cell phone base stations superordinate central unit would be required, which the Access authorizations for all registered admitted Manages handsets in a "central database"; because in the arrangement according to the invention Cellular base stations in their respective memory stored access authorization data signals under Use of the data and / or signal lines of the Data processing device network directly and immediately to Available so that each of the cellular base stations through corresponding requests to the other mobile phone base stations on all stored access authorizations can fall back.
  • the function of the "central database” realized by the data exchange between the memories of the Data processing device network connected mobile radio base stations.
  • each of the handsets with each of the Cellular base stations can communicate without doing so beforehand have been registered at each of the cellular base stations his; because it is enough in the arrangement according to the invention for this, that each handset at a single Cellular base station is registered. A registration of each of Handsets at each of the mobile radio base stations " is therefore not in the arrangement according to the invention required.
  • the Control devices of the mobile radio base stations are configured in this way are that they are the access authorization data signals via the data and / or signal lines of the data processing device network exchange with each other under education a uniform access authorization record in each the cellular base stations; because according to this training the arrangement according to the invention has every mobile radio base station after the exchange of the access authorization data signals over a complete access authorization record, so that they - without the other cellular base stations need to question - can decide whether the identifier of the respective handset is to be accepted or whether the Voice and / or data transmission can take place.
  • the control devices the mobile radio base stations configured in this way are that they are the access authorization data signals in regular exchange time intervals. Differences in individual access authorization data sets can namely easily recognized and eliminated.
  • the control devices the mobile radio base stations are designed in such a way that after a first data exchange there are more Only exchange access authorization data signals if a change in access authorization occurred is.
  • this variant therefore, after the first Data exchange only changes to the access authorization data record transmitted, which achieves that the data and / or signal lines of the interface only be used if this is actually necessary is.
  • Control devices of the mobile radio base stations are configured in this way are that they are stored in their respective memory Access authorization data signals only forward to other cellular base stations upon request; this arrangement can then be particularly advantageous use if the hand-over or roaming function is very is rarely used and a constant "keeping ready" of the whole current access authorization record is not required is.
  • Another advantage of this training is seen in the fact that the storage space of the memory of the control devices can be very small because only that Access authorizations for the "own" handsets saved must be, so not the access rights of all approved handsets.
  • Such a mobile radio base station is from the above Brochure for the Siemens GIGASET telephone known.
  • the invention lies with respect to such a mobile radio base station based on the task of specifying a mobile radio base station, with which can be achieved that when connecting several Mobile phone base stations on a telecommunications network for each related to the cellular base stations Handset an overall larger transmission / reception area is formed than has been the case so far.
  • This task is specified for a mobile radio base station Art solved according to the invention in that the Cellular base station an interface connection to Has connection to a data processing device network and that the control device is such that it using the data and / or signal lines of the Data processing device network on the one hand in your Access authorization data signals stored in memory others to the computing device network connected mobile radio base stations and on the other hand to access authorization data signals from the accesses other mobile radio base stations and the voice and / or Data transmission additionally with everyone allows another handset, the access authorization in at least one memory of the other mobile radio base stations is saved.
  • a method is also considered to be inventive Operating an arrangement with a telecommunications network, one by several with each other with data and / or Signal lines connected data processing devices formed Computing device network and at least two stationary mobile phone base stations, each of which Telecommunications network and to that Data processing equipment network are connected, wherein in the process, any cell phone base station like this is operated that it using the data and / or Signal lines of the data processing equipment network in stored in their respective memory Access authorization data signals to the other mobile radio base stations provides for evaluation and on Access authorization data signals from the other mobile radio base stations accesses and that they the language and / or Allows data transmission with each handset whose Access authorization in your own memory or in at least one of the memories of the other mobile radio base stations is deposited.
  • This procedure solves the already mentioned task, which is that when connecting several mobile radio base stations to a telecommunications network for each with the cell phone base stations related handset a total larger transmission / reception area is formed than previously the case is.
  • a figure shows an embodiment for an arrangement according to the invention; the order according to the figure also includes an embodiment for a mobile radio base station according to the invention.
  • the Arrangement according to the figure is also to be carried out of the method according to the invention.
  • the figure shows a data processing device network 20.
  • This data processing device network 20 consists of a Data processing device 21, another Data processing device 22 and additional in the figure of For the sake of clarity, data processing devices not shown and data and / or signal lines 23, which the Connect data processing devices.
  • the Data processing devices can for example be PCs, Workstations, laptops or the like; the data and / or signal lines 23 can be formed by a Ethernet backbone, an FDDI ring or another LAN (local area network) transmission device with any Network topology.
  • cordless phones 25 and 30 are connected; specifically, this is a cordless phone 25 with his Data / control signal connection D25 by means of a Data / control line 31 to the one data processing device 21 and the other cordless telephone 30 with his Data / control signal connection D30 by means of another Data / control line 32 to the further data processing device 22 connected.
  • Each of the two cordless phones 25 and 30 is also connected to a telecommunications network 40 - for example an ISDN network - connected, namely the one phone 25 with its telecommunications network connection N25 and another phone 30 with his Telecommunications network connection N30.
  • One cordless telephone 25 has a mobile radio base station 100 on whose interface connection S100 the Data / control signal terminal N25 of one telephone 25 forms; this interface connection S100 is one Data processing device 21 of the data processing device network 20 connected.
  • the cellular base station 100 contains one connected to the interface connector S100 Control device 110 with a microprocessor 115 and a associated memory 120.
  • the controller 110 is a radio device 135 for voice and / or data transmission subordinate with handsets; this radio 135 is controlled by the control device 110.
  • the Radio connection can be a Radio connection according to the DECT standard, the Bluetooth standard or another suitable standard.
  • the cordless Telephone 25 is therefore formed by two components, namely the mobile radio base station 110 and the handset 140.
  • the further cordless telephone 30 can, for example, be identical to the one cordless telephone 25; This means in practice that even the further cordless telephone 30 auf Stamm- a M obilfunk base station this is called hereinafter more mobile radio base station 100 '.
  • This further mobile radio base station 100 ' is connected via its interface connection S100' to the further data processing device 22 of the data processing device network 20.
  • the further mobile radio base station 100 ' contains a further control device 110 ' connected to the further data processing device 22 with a further microprocessor 115 ' and a further memory 120 ' .
  • the further control device 110 ' is followed by a further radio device 135 ' for voice and / or data transmission with mobile parts; this further radio device 135 ' is controlled by the further control device 110 ' .
  • Another mobile terminal is connected to the further mobile radio base station 100 'as a further mobile part 140 ' , which has been registered to the further mobile radio base station 100 ' as part of a previously carried out registration procedure; this radio connection is shown schematically in the figure by an arrow 150 ' .
  • the radio connection can also be a radio connection according to the DECT standard, the Bluetooth standard or another suitable standard.
  • the further cordless telephone 30 is thus also formed by two components, namely the further mobile radio base station 110 ' and the further mobile part 140 ' .
  • Normal operation is understood below to mean that each mobile part 140, 140 ' communicates exclusively with its assigned mobile radio base station 100 or 100 ' , that is to say with the mobile radio base station to which it is registered. How to register such a handset to a mobile radio base station for cordless telephones working in the DECT standard can be found, for example, in the operating manual for the GIGASET telephone mentioned at the beginning. In the exemplary embodiment according to the figure, it is assumed, as already mentioned, that one handset 140 is registered with the mobile radio base station 100 of the one cordless telephone 25 and the other handset 140 ' with the mobile radio base station 100 ' of the further cordless telephone 30 is.
  • access authorization data signals Da or Db are generated by the control device 110 or 110 ' and stored in the respective memory 120 or 120; these access authorization data signals Da and Db each contain the identifier K or K 'of the approved or registered handset 140 or 140 ' .
  • These access authorization data signals Da and Db can be exchanged in different ways; it is conceivable, for example, that the data signals Da and Db are exchanged at regular time intervals, so that - apart from changes in the data record between two transmission cycles - there is virtually a uniform access authorization data record in each of the two mobile radio base stations 100 and 100 ' .
  • the data exchange can also take place in such a way that, after a first data exchange, further access authorization data signals are exchanged only if there is a change in the access authorization or a change in the access authorization stored in one of the two memories 120 or 120 ' -Data signals has occurred.
  • a uniform access authorization data record in each of the two mobile radio base stations 100 and 100 ' is not considered to be necessary, then it is also possible for the data exchange to take place only on request from one of the mobile radio base stations; If, for example, the further mobile part 140 ' comes into the transmission range Q of the one cordless telephone 25, the control device 110 of the one mobile radio base station 100 will determine that the further mobile part 140' has no access authorization, namely because none of the identifier K 'of corresponding access authorization data signal Db in which a memory 120 of the one mobile radio base station 100 is stored.
  • the one mobile radio base station 100 generates a request signal Dk and transmits this to the further one via the data processing device network 20 - that is to say via the one data processing device 21, the data and / or signal lines 23 and the further data processing device 22 Mobile radio base station 100 'of the further cordless telephone 30.
  • This request signal Dk contains the identifier K' of the further mobile part 140 ', for example in encrypted form and a predetermined command code; this command code signals the further mobile radio base station 100 'that it should check whether the further mobile part 140' with the identifier K 'is authorized by it.
  • this request signal Dk with the identifier K ' reaches the further control device 110' of the further mobile radio base station 100 ', the latter then checks whether an appropriate access authorization or a corresponding access authorization data signal is stored in its further memory 120' for the identifier K ' is. If this is the case, then the further control device 100 'of the further mobile radio base station 100' will generate a corresponding confirmation signal FK which confirms that there is an access authorization for the identifier K '; this confirmation signal is transmitted to the one mobile radio base station 100. Otherwise, if no corresponding access authorization data signal should be stored, a blocking signal is generated instead of the confirmation signal Fk and transmitted to a mobile radio base station 100; this blocking signal then indicates that there is no access authorization in the further memory 120 '.
  • the one control device 110 of the one mobile radio base station 100 After the one control device 110 of the one mobile radio base station 100 has received the release signal FK, it stores an access authorization in the form of an access authorization data element Db 'which specifies the corresponding identifier K' of the mobile part 140 ' and then permits communication or the voice and / or data transmission between the one mobile radio base station 100 and the further mobile part 140 ' .
  • the two control devices 110 and 110 ' must therefore be designed accordingly; in the exemplary embodiment according to the figure, this can be achieved in a simple manner by appropriate programming of the two microprocessors 115 and 115 ' .
  • the data processing devices 21 and 22 must be programmed such that they forward the signals Da, Db, Dk and Fk of the mobile radio base stations as described via the data processing device network.
  • the mobile radio base stations directly to the data and / or signal lines 23 of the data processing device network 20 connected become; this then presupposes that the Interface connection S100 of the mobile radio base stations to Connection to the data and / or signal lines 23 of the Data processing device network 20 is suitable.
  • each of the two mobile parts 140 and 140 ' can communicate with each of the two mobile radio base stations 100 and 100 ' , although both mobile parts are only registered with one of the two mobile radio base stations; a registration of each of the two mobile parts with each of the two mobile radio base stations by hand is therefore not necessary in the arrangement according to the figure.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (15)

  1. Dispositif comportant au moins deux stations de base de radiocommunication mobile (100, 100') fixes qui sont raccordées à un réseau de télécommunication cellulaire et qui sont aptes à la transmission de paroles et/ou de données avec tous ceux des terminaux téléphoniques mobiles (140, 140') - appelés ci-dessous parties mobiles - dont l'autorisation d'accès est vérifiée et reconnue comme correcte, chacune des stations de base de radiocommunication mobile (100, 100') comportant alors un dispositif de commande (110, 110') contenant une mémoire (120, 120') pour la vérification de l'autorisation d'accès,
       caractérisé par le fait que
    le dispositif comporte un réseau d'ordinateurs (20) décentralisé qui est formé par plusieurs ordinateurs reliés entre eux avec des lignes de données et/ou de signaux, et
    les deux ou plus stations de base de radiocommunication mobile (100, 100') sont raccordées à chaque fois au réseau d'ordinateurs, les dispositifs de commande étant conçus de telle sorte que
    en utilisant les lignes de données et/ou de signaux du réseau d'ordinateurs (20), ils mettent les signaux de données d'autorisation d'accès (Da, Db) mémorisés dans leur mémoire particulière (120, 120') à la disposition des dispositifs de commande (110, 110') des autres stations de base de radiocommunication mobile (100, 100') en vue de leur évaluation,
    et les dispositifs de commande ont accès à des signaux de données d'autorisation d'accès (Da, Db) des autres stations de base de radiocommunication mobile (100, 100'), et
    les dispositifs de commande autorisent la transmission de paroles et/ou de données de la station de base de radiocommunication mobile considérée (100, 100') à chaque fois avec toute partie mobile (140, 140') dont l'identificateur (K) est mémorisé comme signal de données d'autorisation d'accès (Da, Db) dans la mémoire particulière (120, 120') de la station de base considérée ou dans au moins l'une des mémoires des autres stations de base de radiocommunication mobile c'est-à-dire dont l'autorisation d'accès est vérifiée et reconnue comme correcte.
  2. Dispositif selon la revendication 1, caractérisé par le fait que les dispositifs de commande (110, 110') des stations de base de radiocommunication mobile sont conçus de telle sorte qu'ils échangent entre eux les signaux de données d'autorisation d'accès par l'intermédiaire des lignes de données et/ou de signaux du réseau d'ordinateurs (20) en formant un ensemble uniforme de données d'autorisation d'accès dans chacune des stations de base de radiocommunication mobile.
  3. Dispositif selon la revendication 2, caractérisé par le fait que les dispositifs de commande (110, 110') des stations de base de radiocommunication mobile sont conçus de telle sorte qu'ils échangent les signaux de données d'autorisation d'accès à intervalles de temps réguliers.
  4. Dispositif selon la revendication 2, caractérisé par le fait que les dispositifs de commande (110, 110') des stations de base de radiocommunication mobile sont conçus de telle sorte que, après un premier échange de données, ils n'échangent d'autres signaux de données d'autorisation d'accès que si une modification de l'autorisation d'accès a eu lieu.
  5. Dispositif selon la revendication 1, caractérisé par le fait que les dispositifs de commande (110, 110') des stations de base de radiocommunication mobile sont conçus de telle sorte qu'ils ne retransmettent les signaux de données d'autorisation d'accès mémorisés dans leur mémoire respective à d'autres stations de base de radiocommunication mobile qu'à la demande de celles-ci.
  6. Station de base de radiocommunication mobile (110, 110') pour le raccordement à un réseau de communication mobile (40) cellulaire, comportant :
    au moins un dispositif radio (135, 135') pour la transmission de paroles et/ou de données et
    au moins un dispositif de commande qui commande le dispositif radio (135, 135') et comporte une mémoire (120, 120') et qui autorise la transmission de paroles et/ou de données avec tous ceux des terminaux téléphoniques mobiles (140, 140') qui ont un identificateur (K) mémorisé dans la mémoire (120, 120') du dispositif de commande (110, 110'),
    caractérisée par le fait que
    les stations de base de radiocommunication mobile comportent une connexion d'interface pour le raccordement à un réseau d'ordinateurs décentralisé et
    que le dispositif de commande (110, 110') est conçu de telle sorte que
    en utilisant des lignes de données et/ou de signaux du réseau d'ordinateurs (20),
    d'une part il met les signaux de données d'autorisation d'accès (Da, Db) mémorisés dans sa mémoire (120, 120') à la disposition d'autres stations de base de radiocommunication mobile (100, 100') raccordées au réseau d'ordinateurs (20) et
    d'autre part il accède à des signaux de données d'autorisation d'accès (Da, Db) des autres stations de base de radiocommunication mobile (100, 100') et
    il autorise la transmission de paroles et/ou de données à chaque fois en plus à toute autre partie mobile (140, 140') dont l'autorisation d'accès est mémorisée dans au moins une mémoire (120, 120') des autres stations de base de radiocommunication mobile c'est-à-dire dont l'autorisation d'accès est vérifiée et reconnue comme correcte.
  7. Station de base de radiocommunication mobile selon la revendication 6, caractérisée par le fait que le dispositif de commande (110, 110') est conçu de telle sorte qu'il échange les signaux de données d'autorisation d'accès par l'intermédiaire des lignes de données et/ou de signaux du réseau d'ordinateurs avec d'autres stations de base de radiocommunication mobile en formant un ensemble uniforme de données d'autorisation d'accès dans chacune des stations de base de radiocommunication mobile.
  8. Station de base de radiocommunication mobile selon la revendication 7, caractérisée par le fait que le dispositif de commande (110, 110') est conçu de telle sorte qu'il échange les signaux de données d'autorisation d'accès à intervalles de temps réguliers.
  9. Station de base de radiocommunication mobile selon la revendication 7, caractérisée par le fait que le dispositif de commande (110, 110') est conçu de telle sorte que, après un premier échange de données, il n'échange d'autres signaux de données d'autorisation d'accès que si une modification de l'autorisation d'accès a eu lieu.
  10. Station de base de radiocommunication mobile selon la revendication 6, caractérisée par le fait que le dispositif de commande (110; 110') est conçu de telle sorte qu'il ne retransmet les signaux de données d'autorisation d'accès mémorisés dans sa mémoire à d'autres stations de base de radiocommunication mobile qu'à la demande de celles-ci.
  11. Procédé pour l'exploitation d'un dispositif comportant un réseau de communication mobile cellulaire, un réseau d'ordinateurs (20) décentralisé formé par plusieurs ordinateurs reliés entre eux avec des lignes de données et/ou de signaux et au moins deux stations de base de radiocommunication mobile (100, 100') fixes qui sont raccordées à chaque fois au réseau de communication mobile cellulaire et au réseau d'ordinateurs (20) décentralisé,
    chaque station de base de radiocommunication mobile (100, 100') étant exploitée dans le procédé de telle sorte que
    en utilisant les lignes de données et/ou de signaux du réseau d'ordinateurs (20) décentralisé, elle met les signaux de données d'autorisation d'accès (Da, Db) mémorisés dans sa mémoire respective (120, 120') à la disposition de la ou des autres stations de base de radiocommunication mobile (100, 100') en vue de leur évaluation et elle accède à des signaux de données d'autorisation d'accès (Da, Db) de la ou des autres stations de base de radiocommunication mobile (100, 100') et
    elle autorise la transmission de paroles et/ou de données à chaque fois avec tout terminal téléphonique mobile (140, 140') dont l'autorisation d'accès est mémorisée dans sa mémoire particulière ou dans la mémoire de l'autre ou des autres stations de base de radiocommunication mobile.
  12. Procédé selon la revendication 11, caractérisé par le fait qu'on échange les signaux de données des stations de base de radiocommunication mobile par l'intermédiaire des lignes de données et/ou de commande du réseau d'ordinateurs en formant un ensemble uniforme de données d'autorisation d'accès dans chacune des stations de base de radiocommunication mobile.
  13. Procédé selon la revendication 12, caractérisé par le fait qu'on échange les signaux de données d'autorisation d'accès à intervalles de temps réguliers.
  14. Procédé selon la revendication 12, caractérisé par le fait que, après un premier échange de données, on n'échange d'autres signaux de données d'autorisation d'accès que si une modification de l'autorisation d'accès a eu lieu.
  15. Procédé selon la revendication 11, caractérisé par le fait qu'on ne retransmet des signaux de données d'autorisation d'accès à d'autres stations de base de radiocommunication mobile qu'à la demande de celles-ci.
EP00250328A 1999-09-30 2000-09-29 Dispositif comprenant au moins deux stations de base radio-mobile et procédé de commande correspondant Expired - Lifetime EP1089583B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19948699 1999-09-30
DE19948699A DE19948699A1 (de) 1999-09-30 1999-09-30 Anordnung mit mindestens zwei Mobilfunk-Basisstationen und Verfahren zu deren Betrieb

Publications (3)

Publication Number Publication Date
EP1089583A2 EP1089583A2 (fr) 2001-04-04
EP1089583A3 EP1089583A3 (fr) 2002-02-27
EP1089583B1 true EP1089583B1 (fr) 2004-08-04

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EP00250328A Expired - Lifetime EP1089583B1 (fr) 1999-09-30 2000-09-29 Dispositif comprenant au moins deux stations de base radio-mobile et procédé de commande correspondant

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EP (1) EP1089583B1 (fr)
DE (2) DE19948699A1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2243976B (en) * 1990-02-20 1994-09-07 Nec Corp Location registration and paging procedure for mobile communication
US5732350A (en) * 1995-12-06 1998-03-24 Motorola, Inc. Method for mobile station location registration with dynamic cell grouping for radiotelephone systems

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Publication number Publication date
EP1089583A2 (fr) 2001-04-04
DE50007273D1 (de) 2004-09-09
EP1089583A3 (fr) 2002-02-27
DE19948699A1 (de) 2001-04-12

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